Perhaps you should try some spelling variations:
"dung trinh anh slippers" » "dung tinh anh slippers", "dong trinh anh slippers", "cong trinh anh slippers", "dung trinh hanh slippers", "dung trinh thanh slippers", "dung trinh kinh slippers", "dung trinh anh slippery", "dung trinh anh grippers"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung trinh anh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung trinh anh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung trinh anh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung trinh anh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.